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Firmness of tomato fruits depends on trait accumulation and incorporation of the ripening inhibitor gene

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2008
Authors
Zdravković, Jasmina
Marković, Živoslav
Cvikić, Dejan
Mijatović, Mirjana
Stanković, Ljiljana
Conference object (Published version)
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Abstract
Nowadays tomato selection includes firmness and shelf-life of fruits. Tomato selection for these traits has to include selection for pericarp thickness, firmness of epidermis and firmness of flesh. Fruit firmness is a polygenic trait and depends on firmness components. Fruit firmness can be increased by accumulating favourable traits of each component. This paper deals with aspects of increasing fruit firmness by increasing firmness of the epidermis and thickness of the pericarp. By using genotypes with the rin (ripening inhibitor) gene, we were able to accomplish high fruit firmness, especially firmness of flesh. The expression of these traits causes asynchronization of the maturing process so the fruits do not over-mature or soften. Genetic effects have been evaluated by researching the average values of fruit firmness in six diallel parent lines (D-150, S-49, S-35, H-52, Kg-z and SP-109) and progeny (P-1, P-2, F-1, F-2, BC1, and BC2) by applying an additive dominant model with three... and six parameters. Mean values of fruit firmness for parents and progeny were significantly different. Firmness of fruits was influenced primarily by additive genes. Dominant gene effects appeared in certain cross combinations. Epistatic gene effects were important in inheritance for all three two-gene interactions. The stable duplicate type of epistasis was found, which in this case reduces the unfavourable effects of dominant parent genes.

Keywords:
epistatic gene effect / Lycopersicon esculentum / diallel cross
Source:
Acta Horticulturae, 2008, 789, 199-204
Publisher:
  • International Society for Horticultural Science

DOI: 10.17660/ActaHortic.2008.789.27

ISBN: 978-90-66053-69-4

ISSN: 0567-7572

WoS: 000257434200027

Scopus: 2-s2.0-61449146292
[ Google Scholar ]
4
3
URI
http://RIVeC.institut-palanka.rs/handle/123456789/73
Collections
  • Radovi sa afilijacijom Instituta za povrtarstvo / Papers with the Institute for Vegetable Crops affiliation
Institution/Community
Institut za povrtarstvo
TY  - CONF
AU  - Zdravković, Jasmina
AU  - Marković, Živoslav
AU  - Cvikić, Dejan
AU  - Mijatović, Mirjana
AU  - Stanković, Ljiljana
PY  - 2008
UR  - http://RIVeC.institut-palanka.rs/handle/123456789/73
AB  - Nowadays tomato selection includes firmness and shelf-life of fruits. Tomato selection for these traits has to include selection for pericarp thickness, firmness of epidermis and firmness of flesh. Fruit firmness is a polygenic trait and depends on firmness components. Fruit firmness can be increased by accumulating favourable traits of each component. This paper deals with aspects of increasing fruit firmness by increasing firmness of the epidermis and thickness of the pericarp. By using genotypes with the rin (ripening inhibitor) gene, we were able to accomplish high fruit firmness, especially firmness of flesh. The expression of these traits causes asynchronization of the maturing process so the fruits do not over-mature or soften. Genetic effects have been evaluated by researching the average values of fruit firmness in six diallel parent lines (D-150, S-49, S-35, H-52, Kg-z and SP-109) and progeny (P-1, P-2, F-1, F-2, BC1, and BC2) by applying an additive dominant model with three and six parameters. Mean values of fruit firmness for parents and progeny were significantly different. Firmness of fruits was influenced primarily by additive genes. Dominant gene effects appeared in certain cross combinations. Epistatic gene effects were important in inheritance for all three two-gene interactions. The stable duplicate type of epistasis was found, which in this case reduces the unfavourable effects of dominant parent genes.
PB  - International Society for Horticultural Science
C3  - Acta Horticulturae
T1  - Firmness of tomato fruits depends on trait accumulation and incorporation of the ripening inhibitor gene
EP  - 204
SP  - 199
VL  - 789
DO  - 10.17660/ActaHortic.2008.789.27
UR  - conv_260
ER  - 
@conference{
author = "Zdravković, Jasmina and Marković, Živoslav and Cvikić, Dejan and Mijatović, Mirjana and Stanković, Ljiljana",
year = "2008",
abstract = "Nowadays tomato selection includes firmness and shelf-life of fruits. Tomato selection for these traits has to include selection for pericarp thickness, firmness of epidermis and firmness of flesh. Fruit firmness is a polygenic trait and depends on firmness components. Fruit firmness can be increased by accumulating favourable traits of each component. This paper deals with aspects of increasing fruit firmness by increasing firmness of the epidermis and thickness of the pericarp. By using genotypes with the rin (ripening inhibitor) gene, we were able to accomplish high fruit firmness, especially firmness of flesh. The expression of these traits causes asynchronization of the maturing process so the fruits do not over-mature or soften. Genetic effects have been evaluated by researching the average values of fruit firmness in six diallel parent lines (D-150, S-49, S-35, H-52, Kg-z and SP-109) and progeny (P-1, P-2, F-1, F-2, BC1, and BC2) by applying an additive dominant model with three and six parameters. Mean values of fruit firmness for parents and progeny were significantly different. Firmness of fruits was influenced primarily by additive genes. Dominant gene effects appeared in certain cross combinations. Epistatic gene effects were important in inheritance for all three two-gene interactions. The stable duplicate type of epistasis was found, which in this case reduces the unfavourable effects of dominant parent genes.",
publisher = "International Society for Horticultural Science",
journal = "Acta Horticulturae",
title = "Firmness of tomato fruits depends on trait accumulation and incorporation of the ripening inhibitor gene",
pages = "204-199",
volume = "789",
doi = "10.17660/ActaHortic.2008.789.27",
url = "conv_260"
}
Zdravković, J., Marković, Ž., Cvikić, D., Mijatović, M.,& Stanković, L.. (2008). Firmness of tomato fruits depends on trait accumulation and incorporation of the ripening inhibitor gene. in Acta Horticulturae
International Society for Horticultural Science., 789, 199-204.
https://doi.org/10.17660/ActaHortic.2008.789.27
conv_260
Zdravković J, Marković Ž, Cvikić D, Mijatović M, Stanković L. Firmness of tomato fruits depends on trait accumulation and incorporation of the ripening inhibitor gene. in Acta Horticulturae. 2008;789:199-204.
doi:10.17660/ActaHortic.2008.789.27
conv_260 .
Zdravković, Jasmina, Marković, Živoslav, Cvikić, Dejan, Mijatović, Mirjana, Stanković, Ljiljana, "Firmness of tomato fruits depends on trait accumulation and incorporation of the ripening inhibitor gene" in Acta Horticulturae, 789 (2008):199-204,
https://doi.org/10.17660/ActaHortic.2008.789.27 .,
conv_260 .

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